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Xtensions for hedmen LT's

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Old Feb 9, 2007 | 06:37 PM
  #1  
pg29's Avatar
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From: Toronto, Canada
Car: 88 GTA
Engine: LS1
Transmission: T56
Axle/Gears: 3.23
Xtensions for hedmen LT's

hello, ive tried searching but haven't found a clear answer to my question. are the hedmen xtensions needed to clear anything under the car? im planning on just having a true dual 3 inch exhaust shooting straight out from the collectors to chambered classic mufflers to turndowns with an h pipe. will i run into any clearance problems or will i be able run the tubing straight from the header collectors to my mufflers without xtensions. thank you in advance.
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Old Feb 9, 2007 | 06:47 PM
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From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
You will more than likely need them to get around (under) the tranny crossmember.
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Old Feb 9, 2007 | 07:36 PM
  #3  
pg29's Avatar
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From: Toronto, Canada
Car: 88 GTA
Engine: LS1
Transmission: T56
Axle/Gears: 3.23
ohh my mistake, i forgot to mention that my car has an automatic, th700r4 with a tpi350, do i still have to worry about getting under the tranny crossmember with the automatic? thanks.
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Old Feb 9, 2007 | 07:47 PM
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onebad82z's Avatar
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From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
If your car currently utilizes the factory 700r4 crossmember than yes.

There is a sticky up top with a lot of pics that may better help you visualize how duals may be run.
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Old Feb 9, 2007 | 10:24 PM
  #5  
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The Hedman extentions clear the stock auto cross members fine (I have a Lakewood th400 swap kit and clears even better! Due to the tubular style and where the trans mounts at is like 3" further back then stock 700R4 on a short tail shaft th400) The only problem you will have is movement to get it to tuck up higher and be straight the drivers side with the 3" extentions (its a snug fit from the collector,front sub frame on the passengers side,bellhousing ... I couldnt get my set to fit correct and didnt want to beat my floor up so I went with the 2 1/2" set and it clears perfect! then added cut outs and then ran it to the mufflers and dumped before axel) not saying it can be done .. I didnt have any luck .. but you might find a easier
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Old Feb 9, 2007 | 11:42 PM
  #6  
pg29's Avatar
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Joined: May 2005
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From: Toronto, Canada
Car: 88 GTA
Engine: LS1
Transmission: T56
Axle/Gears: 3.23
thanks alot for the responces guys.
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